Babcock of Britain is to provide in-service support for the Communications Electronic Support Measures system on Royal Navy Trafalgar-class submarines.

The company said the four-year Ministry of Defense contract for the CESM system, known as Eddystone, encompasses post-design services and support for supporting infrastructure ashore.

Work will include engineering support, integrated logistics support, obsolescence management, configuration management, help desk, stores management, and ensuring fully functional capability on the in-service platforms.

CESM is an electronic warfare system that supports intelligence, surveillance, target acquisition, and reconnaissance sensors systems.

"The Eddystone system remains at the forefront of CESM capability and this contract award demonstrates confidence in Babcock's ability to support this key capability, delivering a very high system availability with the systems performing well while on mission," said Babcock Integrated Systems & Support Group Director Charles John. "This together with our Type 23 Hammerhead CESM system underline our increasing capability to deliver and meet the customer's requirements as a one stop shop."

The engineering and technology company was the prime contractor for the design and development of the system.

A value for the contract was not disclosed.